On Jun 29, 1:40 pm, Joshua Smith <joshuaesm...@charter.net> wrote:
> I have this code in one of my apps:
>
> townCache = {}
> def getTown(id):
> if not id in townCache:
> townCache[id] = TownModel.get_by_id(id)
> return townCache[id]
>
> Is this thread safe? I think it is, because the worst that happens is the
> assignment happens redundantly with the same data.
>
> Random other question: Why don't I have to say "global townCache" at the top
> of that function?
You can't *assign* to a global variable in another scope without the
global keyword; however, townCache is the global name here, not
townCache[id].
--
You received this message because you are subscribed to the Google Groups
"Google App Engine" group.
To post to this group, send email to google-appengine@googlegroups.com.
To unsubscribe from this group, send email to
google-appengine+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-appengine?hl=en.
